Libellus dispensationum, 1243. By his own description, a work on the cases in which a bishop can grant dispensations.

Breuiarum decretorum.

Liber iudicum.

Casus decretalium cum canonibus concordati.

Distinctiones super toto iure canonico.

Arbor versificata.

Chronica per canones comprobata.

De decimis, 1240, revised 1253.

Apparatus Decretorum. This work is mentioned by J.d.D. in the explicet of his Summa super iv. causis Decretorum [No. 12], but has not been identified..

Casus legum canonizatarum, 1241.

Notabilia cum summis super titulis decretalium, 1241.

Summa super iv. causis Decretorum. A continuation of Huguccio’s Summa, from C.23 q.4 c.33 to C.26.

Liber pastoralis.

Commentum super novellis decretalibus. On the constitutions of Lyons I [1245]; this work is mentioned by J.d.D. in his Liber cavillationum, but has not yet been identified.

Liber penitentiarius, 1247. Also called Penitentialis; composed toward the end of J.’s career after most of his other works and at the request of various individuals; divided into seven books with a total of 72 titles.

Liber cauillationum, 1246. Completed an unfinished work by Ubertus de Bobio; full title in prologue: Liber cauillationum de cautela aduocatorum et aliorum peritorum in litibus, which J. also describes in the same prologue as an opusculum de cautela iudicis.

Liber quaestionum.

Concordantie decretorum cum titulis decretalium.

Casus uersificati.

Liber opinionum.

Principium decretalium.

De abusionibus contra canones.

Libellus dispensationum, 1243.

First Recension

Milano, Bibl. Ambrosiana 64 sup., fol. 95ra–101va

Second Recension

Città del Vaticano, BAV Vat. lat. 5066

Roma, Bibl. Casanatense 108

Bamberg, Staatsbibl. 94 D.II.16, fols. 74–81

Basel, Universitätsbibl. C.V.17

Bonn, Universitäts- u. Landesbibl. 792, fols. 51–59c

Cambridge, Peterhouse Coll. 42.VII, fols. 1–9va

Cambridge, Gonville & Caius Coll. 71/38 C.M.A. 826

Cesena, Bibl. Malatest. 3 P L II L S, fols. 137va–141va

København, Kongelige Bibl. lat. Gl. Kgl. 9.1360, fols. 133v–147

Bernkastel-Kues, Bibl. St. Nikolaus Hospitals 255, fols. 55v–64

El Escorial, Bibl. San Lorenzo lat. Ç.II.20, fols. 84–93

Kaliningrad, Universitätsbibl. LI, fols. 200a–211b

Kaliningrad, Universitätsbibl. LIII, fols. 135a–138a

Kaliningrad, Universitätsbibl. LXXXI, fols. 104b–108a

Kaliningrad, Universitätsbibl. LXXXVII, fols. 1a–56

Kaliningrad, Universitätsbibl. CIV, fols. 35a–37b, 42b–43a

London, BL Arundel 435, fols. 301–305

London, BL Arundel 459, fols. 71b–72

Göttweig, Stiftsbibl. lat. 165 (185), fols. 1–11v

Madrid, BN lat. 387, fols. 82v–87va

München, BSB lat. 3632, fols. 242–44

München, BSB lat. 4633, fols. 165–67

München, BSB lat. 5950, fols. 1–14

München, BSB lat. 11581, fols. 246–62

München, BSB lat. 13043, fols. 143–53

München, BSB lat. 16195, fols. 136–40

Paris, BN lat. 4249, fols. 63v–68v

Paris, BN lat. 4604, fols. 44–53v

Praha, Metropolitní Kapitula 1184 I.LXXI, fols. 1a–11b

Roma, Bibl. Casanatense A.II.10 (1094), fols. 179v–180vb

Città del Vaticano, BAV Pal. lat. 802, fols. 196–204v

Vicenza, Bibl. Civica 337 (3.9.7), fols. 17va–20vb

Breuiarum decretorum.

Salamanca, Bibl. Univ. 1917

Amiens, BM 355, fol. 405

Amiens, BM 359, fols. 361–63

Bamberg, Staatsbibl. Can. 44 P.I.25, fols. 107–111

Basel, Universitätsbibl. C.V.35

a292Txt02Berlin, Staatsbibl. lat. fol. 4, fols. 1b–2b (catalog n.619)

a292Txt02Berlin, Staatsbibl. lat. fol. 164, fols. 152–155b (catalog n.654)

a292Txt02Berlin, Staatsbibl. lat. qu. 209, fols. 70–74 (catalog n.674)

a292Txt02Berlin, Staatsbibl. theol. lat. fol. 572, fols. 214b–218a (catalog n.831)

a292Txt02Berlin, Staatsbibl. lat. fol. 305, fols. 80–82b (catalog n.845)

Braunschweig, Stadtbibl. XXIII, fols. 181–184a

Brugge, Stedelijke Bibl. 372, fol. 256v

Cambridge, St. John’s Coll. 179

Cambridge, Gonville & Caius Coll. 67/34

Cambridge, Gonville & Caius Coll. 222/237 C.M.A. 919

Gdańsk, Bibl. Gdańska Polskiej Akad. Nauk Mr.Q.5, fols. 176b–183

Gdańsk, Bibl. Gdańska Polskiej Akad. Nauk 1965, fols. 242–44

Erlangen, Universitätsbibl. lat. 358 Irm 164 (Ac.III.19), fols. 91v–93

Firenze, Bibl. Riccard. 860, fols. 1–4vb

Göttweig, Stiftsbibl. 496 (423), fols. 1–6v

Kaliningrad, Universitätsbibl. IX, fol. 1

Leipzig, Stadtbibl. 1062, fols. 90v–93

Leipzig, Stadtbibl. 957, fols. 1–2

Leipzig, Stadtbibl. 959, fols. 154v–157v

Leipzig, Stadtbibl. 960, fols. 185–188v

Leipzig, Stadtbibl. 961, fols. 200v–204v

Leipzig, Stadtbibl. 963, fols. 234–37

London, BL 4907.3

München, BSB lat. 466, fols. 16–21

München, BSB lat. 7544, fols. 58a–60a

München, BSB lat. 11581, fols. 230–46

Padova, Bibl. Univ. 1502 III, fols. 115–24

Padova, Bibl. Univ. 2175 IV, fols. 95–98b

Paris, BN lat. 15122

Paris, BN lat. 4276, fols. 3–5b

Perugia, BC 743 (I.137), fols. 181–84

Praha, Univ. Knihovna lat. 1510.VIII.D.15 (Y.II.4.n.10), fols. 63–69a

Praha, Metropolitní Kapitula 1192.K.II.I, fols. 2a–?

Praha, Metropolitní Kapitula 1234.K.XXX.IX, fols. 171a–176b

Strasbourg, BM ???

Torino, BN Universitaria 982 (G.II.21), fols. 1–3

Troyes, BM 456.3

Città del Vaticano, BAV Vat. lat. 7667, fols. 200v–203

Città del Vaticano, BAV Vat. lat. 2584, fol. 9

Città del Vaticano, BAV Ottob. lat. 707, fols. 193–197

Città del Vaticano, BAV Pal. lat. 623

Città del Vaticano, BAV Borgh. 276, fols. 68–70

Città del Vaticano, BAV Chisi E.VI,176, fols. 69–71

Venezia, BN lat. clas. IV.13, fols. 1–6

Venezia, BN lat. clas. IV.62, fols. 138–142v

Wien, ÖNB 4030, fols. 74v–79v

Wien, ÖNB 2167, fols. 73a–74b

Wien, ÖNB 2194, fols. 54a–55vb

Wien, ÖNB 2225, fols. 30v–34

Liber iudicum.

Avignon, BM 281, fol. 40–45v

Bamberg, Staatsbibl. Can. 00 [P.iii.18], fol. 115v–124v

Basel, Universitätsbibl. C.v.17, fol. 20–31v

Brugge, Stedelijke Bibl. 381, fol. 16v–32v

Erlangen, Universitätsbibl. 32/1

El Escorial, Bibl. San Lorenzo G.ii.15, fol. 1–7vb

Leipzig, Universitätsbibl. 932, fol. 90–106v

Lisboa, BN Alcobaça 371, fol. 14v–21

Madrid, BN 243, fol. 18v–31

München, BSB Clm 13043, fol. 130–43

Oxford, New Coll. 192

Paris, BN lat. 4249, fol. 17–26v

Paris, BN lat. 4250, fol. 1–17v

Sankt Gallen, Stiftsbibl. 745, fol. 1–26

Troyes, BM 936

Troyes, BM 1448

Città del Vaticano, BAV Ottob. lat. 2524, fol. 55–62a

Città del Vaticano, BAV Vat. lat. 2343, fol. 75–82a

Wien, ÖNB 130, fol. 78–101va

Wien, ÖNB 2157, fol. 1–3b

Zwettl, Stiftsbibl. 338, fol. 40–50

Casus decretalium cum canonibus concordati.

Antwerpen, Mus. Plantin-Moretus lat. 110, fol. 3–124v

Arras, BM 172, fol. 1–60

Bamberg, Staatsbibl. [P.III.13], fol. 3–50

Erlangen, Universitätsbibl. 352, fol. 1–53

Leipzig, Universitätsbibl. 1027, fol. 1–103v

London, BL Add. 16893, fol. 1–141va

Madrid, BN 392, fol. 110–46vb

München, BSB Clm 12718, fol. 1–206

Orléans, BM 224, fol. 1–133

Paris, BN lat. 3971, fol. 1–31v

Paris, BN lat. 3972, fol. 1–49

Seu d’Urgell, Bibl. Cabildo 2882, fol. 92ra–138rb

Toledo, Bibl. Catedral 22–31, fol. 220ra–35rb

Tours, BM 605, fol. 23–110

Città del Vaticano, BAV Ottob. lat. 847, fol. 1–202v

Città del Vaticano, BAV Ottob. lat. 2524, fol. 1–54

Città del Vaticano, BAV Borgh. 145, fol. 2–125

Città del Vaticano, BAV Pal. lat. 645, fol. 1–190

Città del Vaticano, BAV Vat. lat. 2343, fol. 1–47

Distinctiones super toto iure canonico.

Bonn, Universitäts- u. Landesbibl. 792, fol. 1–149vb

Cambridge, Peterhouse Coll. 279, fol. 4–10v

Luzern, Zentral- u. Hochschulbibl. 35, fol. 121–212

Wien, ÖNB 2190, fol. 44–95

Arbor versificata.

Berlin, Staatsbibl. lat. fol. 617, fol. 242–243b

Berlin, Staatsbibl. lat. fol. 360b–361b

Cambridge, St. John’s Coll. 217, fol. 132–134

El Escorial, Bibl. San Lorenzo V.I.1, fol. 4v–5

Leipzig, Universitätsbibl. 1074, fol. 2v–9v

Monza, Arch. Cap. CCVI

München, BSB Clm 4, fol. 263b–264

München, BSB Clm 21505, fol. 320–21

Oxford, Bodleian Libr. Bodl. 384, fol. 90–93

Paris, BN lat. 3944, fol. 1v–2

Paris, BN lat. 3949, fol. 299v–300

Praha, Metropolitní Kapitula 1184

Ravenna, Bibl. Classense 91, fol. 128–31, 133–35

Roma, Bibl. Angelica 275, fol. 182–86

Subiaco, Bibl. S. Scolastica 6, fol. 1–2

Città del Vaticano, BAV Urb. lat. 159, fol. 226v–228

Città del Vaticano, BAV Pal. lat. 629, fol. 260v–62v

Venezia, BN 137

Vorau, Stiftsbibl. 300, fol. 119–24v

Wien, ÖNB 5081, fol. 229–250a

Wien, ÖNB 5107, fol. 595b–602b

Chronica per canones comprobata.

London, BL Addit. 19905

De decimis, 1240, revised 1253.

First Recension

Roma, Bibl. Casanatense A.ii.10, fol. 172a–vb

Second Recension

Città del Vaticano, BAV Borgh. 254, fol. 1a–2vb

Casus legum canonizatarum, 1241.

Roma, Bibl. Casanatense A.ii.10 (1094), fol. 170vb–172vb

Notabilia cum summis super titulis decretalium, 1241.

a292Txt11Padova, Bibl. Univ. 1232 (a later recension?)

Roma, Bibl. Casanatense A.ii.10 (1094), fol. 145ra–70vb

a292Txt11Sevilla, Bibl. Colombina 5–5–79, fol. 132–55v (fragmentary)

Summa super iv. causis Decretorum.

a292Txt12Sankt-Peterburg, Gosudarstvennaia Publichnaia Bibl. lat. fol.ii. vel 10, fol. 376 (a fragment of the Prologue)

a292Txt12Madrid, BN 11962, fol. 232ra–249vb (inserted into Huguccio’s text)

Paris, BN lat. 3892, fol. 401ra–419v

Città del Vaticano, BAV Vat. lat. 2280, fol. 371ra–388ra

Liber pastoralis.

Oxford, Trinity Coll. xviii, fol. 138–66

Città del Vaticano, BAV Ottob. lat. 800, fol. 64–95

Wien, ÖNB 130, fol. 135–59

Liber penitentiarius, 1247.

Salamanca, Bibl. Univ. 1974, fol. 1r–62r

Arras, BM 552.2

Arras, BM 802.3

Bamberg, Staatsbibl. 48 (P.II.23), fols. 109–202

Bamberg, Staatsbibl. 173 (12.V.79), fols. 1–40v

Bologna, BC Archiginnasio A.24, fols. 45–51

Wrocław, Bibl. Univ. lat. 1062, fols. 326–360

Cambridge, Trinity Coll. 325, fols. 1–94

Cambridge, Univ. Libr. 2035 (Kk.IV.20), fols. 26–42

Cambridge, Univ. Libr. 2389 (Mm.IV.41), fols. 33–47b

Chartres, BM 427 (439), fols. 1–33

København, Kongelige Bibl. lat. GL Kgl. S. 1360, fols. 108–133v

København, Kongelige Bibl. lat. GL Kgl. S. 1600, fols. 3–62v

El Escorial, Bibl. San Lorenzo ç.II.20, fols. 63–81

Firenze, BN clas. XXXIII, cod. 13, n.1, fols. 1–54vb

San Daniele del Friuli, Bibl. Guarneriana 135

Leiden, Bibl. Rijksuniv. lat. B P L 191.A, fols. 1–36

Leipzig, Universitätsbibl. 564, fols. 301–326

London, BL Arundel 361, fols. 9–30a

London, BL Arundel 459, fols. 72b–74

Manchester, J.R. Library lat. 153, fols. 199–242

Metz, BM 61.4

Metz, BM 612

München, BSB lat. 2945, fols. 15–40

München, BSB lat. 3243, fols. 262–64

München, BSB lat. 3437, fols. 233–73

München, BSB lat. 3762, fols. 96–104

München, BSB lat. 5176, fols. 270–305

München, BSB lat. 5950, fols. 14–40

München, BSB lat. 7728, fols. 1–39

München, BSB lat. 13043, fols. 153–169va

München, BSB lat. 16195, fols. 128–30

München, BSB lat. 17478, fols. 1–53

München, BSB lat. 17500, fols. 126–77

München, BSB lat. 17545, fols. 38–42

München, BSB lat. 18403, fols. 54–57

München, BSB lat. 18406, fols. 99–131

München, BSB lat. 19637, fols. 154–74

München, BSB lat. 21702, fols. 156–75

München, BSB lat. 22050, fols. 1–43

München, BSB lat. 22226, fols. 71–96

München, BSB lat. 23929, fols. 1–25vb

München, BSB lat. 24831, fols. 1–46

München, BSB lat. 26630, fols. 311–51

München, BSB lat. 26895, fols. 70–116

Münster, Üniversitäts- u. Landesbibl. 624 (415), fols. 13–61

Paris, BN lat. nouv. acq. 274, fols. 21–39

Praha, Univ. Knihovna lat. 2579 XIV.F.8, fols. 22b–56b

Praha, Metropolitní Kapitula 125.A.LXXIII.5, fols. 334b–347a

Roma, Bibl. Casanatense A.II.10 (1094), fols. 172–73

Roma, Bibl. Vallicell. C.44, fols. 42–98v

Roma, Bibl. Wadding 1/91, fols. 1–71

Sevilla, Bibl. Colombina 7.2.35, fols. 204–242

Strasbourg, BM 70 (68), fols. 71v–95

Torino, BN Universitaria 803 (E.VI.16), fols. 286–346

Troyes, BM 456.2

Città del Vaticano, BAV Reg. lat. 177, fols. 1–77

Città del Vaticano, BAV Vat. lat. 2690, fols. 84–86v

Venezia, BN lat. clas. III, cod. 34, fols. 1–34

Venezia, BN lat. clas. IV, cod. 102, fols. 1–44

Vicenza, Bibl. Civica 337 (3.9.7), fols. 5–17va

Wien, ÖNB 130, fols. 102a–134vb

Wien, ÖNB 1697, fols. 1a–43vb

Wien, ÖNB 2217, fols. 1a–28b

Wien, ÖNB 3778, fols. 367a–369va

Liber cauillationum, 1246.

Seu d’Urgell, Bibl. Cabildo 2036, fol. 19va–45vb

Seu d’Urgell, Bibl. Cabildo 2041, fol. 99ra–119va

Avignon, BM 762, fols. 2–24

Bamberg, Staatsbibl. 48 (P.II.23), fols. 104–123

Erlangen, Universitätsbibl. lat. 375 Irm. 515, fols. 53–95

Grenoble, BM 479, fols. 157–59

London, BL Arundel 459, fols. 1–46

Madrid, BN 630, fols. 44ra–44vb

Madrid, BN 631, fols. 1–24

Madrid, BN 387, fols. 120–140va

München, BSB lat. 22226, fols. 1–71

München, BSB lat. 24874, fols. ?–157

München, BSB lat. 13043, fols. 169va–202va

Città del Vaticano, BAV Vat. Lat. 2690, fols. 1–74v

Città del Vaticano, BAV Borgh. 100, fols. 1–36

Liber quaestionum.

Amiens, BM 359, fol. 363 ff

Arras, BM 495

Darmstadt, Landesbibl. 853

Edinburgh, Natrional Libr. Scotland 9740, fol. 38r–65v

Modena, Bibl. Estense Campori App. 1242, fol. 1r–22r

Frankfurt am Main, Stadt- und Universitätsbibl. Barth. 43, fol. 114r–149r

Madrid, BN 387, fol. 90–119v

Olomouc, Státni Archiv C.9.209, fol. 218v–38r

Padova, Bibl. Univ. 114, fol. 1–20

Torino, BN Universitaria 1435, fol. 239r–277r

Città del Vaticano, BAV Borgh. 260, fol. 132–61, 214v–214

Vicenza, Bibl. Civica 337, fol. 21a–38va

Concordantie decretorum cum titulis decretalium.

Toledo, Bibl. Catedral 22–31, fol. 326va–327vb

Amiens, BM 359, fols. 364–65

Bamberg, Staatsbibl. 44 (P.I.25), fols. 111–113

Berlin, Staatsbibl. 674, fols. 127–128a

Brugge, Stedelijke Bibl. 372, fols. 256–59

Cambridge, Gonville & Caius Coll. 222/237, fols. 276–97

Gdańsk, Bibl. Gdańska Polskiej Akad. Nauk 1965, fols. 247b–249

Firenze, Bibl. Laurenz. II.PL.I.P.S., fols. 114–119

Kaliningrad, Universitätsbibl. LII, fols. 138a–140a

Kaliningrad, Universitätsbibl. LXXXIII, fols. 104b–108a

Kaliningrad, Universitätsbibl. LXXXV, fols. 317–355a

Kaliningrad, Universitätsbibl. LXXXVII, fols. 351a–355a

Kaliningrad, Universitätsbibl. LXXXIX, fols. 161–162b

München, BSB lat. 7544, fols. 60a–61b

München, BSB lat. 26621, fols. 89–92

München, BSB lat. 26779, fols. 190–200

Münster, Üniversitäts- u. Landesbibl. 624 (415), fols. 9v–12v

Padova, Bibl. Univ. 2175, fols. 98–101

Perugia, BC 743 (I.137), fols. 184–185

Praha, Metropolitní Kapitula 1192 K.II.I, fols. ?–10b

Praha, Metropolitní Kapitula 1202 70 VIII/2, fols. 97b–99a

Città del Vaticano, BAV Vat. lat. 7667, fols. 203–204v

Città del Vaticano, BAV Borgh. 276, fols. 70–71v

Città del Vaticano, BAV Chisi E.VI.176, fols. 67v–68v

Città del Vaticano, BAV Ottob. lat. 707, fols. 188–189

Città del Vaticano, BAV Ottob. lat. 2584, fol. 9v

Venezia, BN lat. clas. IV, cod. 62, fols. 142v–145v

Vorau, Stiftsbibl. 380, fols. 82v–84v

Wien, ÖNB 2167, fols. 74b–75b

Wien, ÖNB 2194, fols. 55vb–56vb

Wien, ÖNB 2225, fols. 34–36

Wien, ÖNB 4030, fols. 72v–74v

Zwettl, Stiftsbibl. 267, fols. 2–86

Casus uersificati.

Vicenza, Bibl. Civica 337, fol. 38v–39ra

Liber opinionum.

Vicenza, Bibl. Civica 337, fol. 39a–44va

Principium decretalium.

Paris, BN lat. 4489, fol. 104–05

De abusionibus contra canones.

a292Txt22a292Txt22Ms1

Liber cauillationum, 1246.

Torino, (?), 6.62–89. Together with the Speculum of Guilelmus Durantis.

Venezia, 1567, fol. 1–16. Together with the Speculum of Guillelmus Durantis.

Doctrina aduocatorum. Lyon, 1577.

Liber penitentiarius.

A somewhat abridged version printed in PL 90.1085–1108.

Prologue edited by A. de Sousa Costa in Doutrina penitencial 138–40.

Principium decretalium.

Edited in part by H. Kantorowicz in ‘Das Principium Decretalium des Johannes de Deo’, ZRG Kan. Abt., 12 (1922) 418–444.

De abusionibus contra canones.

Um mestre português, ed. A. de Sousa Costa (1957) 191–96.

J. Goering, ‘The Internal Forum and the Literature of Penance and Confession’, in The History of Medieval Canon Law in the Classical Period, 1140–1234: From Gratian to the Decretals of Pope Gregory IX, W. Hartmann and K. Pennington, ed. (History of Medieval Canon Law 6; Washington DC 2008) 421.

P. Payer, ‘The Origins and Development of the Later Canones Penitentiales’, Mediaeval Studies, 61 (1999) 81–105.

N. Höhl, ‘Johannes de Deo’, in LMA (1990) 4.569.

M. Bertram, ‘Kanonistische Quaestionensammlungen von Bartholomaeus Brixiensis bis Johannes Andreae’, in Proceedings Cambridge (MIC C–8; Città del Vaticano 1988) 269–70.

A. García y García, ‘La Canonística Ibérica (1150–1250) en la investigación reciente’, BMCL, 11 (1981) 60–62.

A. García y García, Estudios sobre la canonística portuguesa medieval (Madrid 1976) 113–17, 173–99.

A. de Sousa Costa, ‘Redaccõnes do “Liber dispensationum” e da “Summula super decimis ecclesiasticis” do canonista João de Deus’, Revista Portuguesa de História, 13 (1971) 269–97.

J. Brundage, Medieval Canon Law and the Crusader (Madison WI 1969) 95.

A. de Sousa Costa, ‘Johannes de Deo’, in NCE (1967) 7.996.

A. García y García, ‘El “Breviarium Decretorum” de Juan de Dios y las divisiones del Decreto de Graciano’, SG, 12 (1967) 205–26.

A. García y García, ‘Notas sobre la canonística ibérica de los siglos XIII–XV’, SG, 9 (1966) 163–64.

P. Michaud-Quantin, Sommes de casuistique et manuels de confession au moyen âge (Louvain 1962) 26–27.

S. Kuttner, ‘Pope Lucius III and the Bigamous Archbishop of Palermo’, in Medieval Studies Presented to A. Gwynn, J. Watt, ed. (Dublin 1961) 449–51 and passim.

A. de Sousa Costa, ‘Animadversiones criticae in vitam et operam canonistae Joannis de Deo’, Antonianum, 33 (1958) 76–124.

A. de Sousa Costa, Um mestre português em Bolonha no século XIII, Joâo de Deus: Vida e obras (Braga 1957).

A. de Sousa Costa, Doutrina penitencial do canonista Joâo de Deus (Braga 1956).

S. Kuttner, Repertorium 159, 372–73, 382–83.

J. von Schulte, QL 2.94–107.